Home / 2,196.36-3,031.11-1,201.64

Finding the Fourth Proportional to 2,196.36, 3,031.11 and 1,201.64

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Solution

The fourth proportional to 2,196.36, 3,031.11 and 1,201.64 is: 1,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196.36 : 3,031.11 = 1,201.64 : x
  2. Step 2: Convert to fraction form
    2,196.36/3,031.11 = 1,201.64/x
  3. Step 3: Cross multiply
    2,196.36x = 3,031.11 × 1,201.64
  4. Step 4: Simplify right side
    2,196.36x = 3,642,287.86
  5. Step 5: Solve for x
    x = 3,642,287.86/2,196.36
  6. Step 6: Final answer
    x = 1,658.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.